2010 Mercury Mountaineer Fuel system Problems
- Complaints
- 2about this part
- Share
- 15%of 13 total for the year
- Median mileage
- 60,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the fuel system of the 2010 Mercury Mountaineer, 15% of the 13 complaints for this model year. Where a mileage was given, the median is 60,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“While driving the Mountaineer I was slowing for a stoplight shortly after starting it up (had driven about 1/3 mile). The engine suddenly started to speed up and required significant extra braking force to come to a stop. I put the car in neutral and the engine ran at about 3,300 RPM for about 10 seconds. This is the third time this has happened. The first time the thermostat was replaced. The second time the throttle body was replaced. The third time the vehicle was checked but no defect could be found. …”
NHTSA complaint #10534451, filed 2013-08, 55,000 milesRelated service bulletins
- 10052803Aug 19, 2013Ford: see search button for owner letter. On some vehicles, the instrument cluster indicator light illuminates service engine soon due to leakage in evaporative emissions (evap)…
Fuel system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2010 | 2 | 15% |
| 2008 | 3 | 3% |
| 2007 | 1 | 1% |
| 2006 | 5 | 4% |
| 2005 | 3 | 4% |
| 2004 | 2 | 1% |
| 2003 | 7 | 5% |
| 2002 | 8 | 2% |
| 2000 | 3 | 2% |
| 1999 | 2 | 1% |
| 1998 | 5 | 2% |
| 1997 | 6 | 2% |
Other parts of the 2010 Mercury Mountaineer
5 complaintsVehicle speed control
4 complaintsEngine
3 complaintsSteering
2 complaintsTransmission and drivetrain
2 complaintsElectrical system
1 complaintsInterior lighting
1 complaintsOther or unknown
1 complaintsSeat belts
1 complaintsSeats
1 complaintsBody and structure
1 complaints
← All problems reported for the 2010 Mercury Mountaineer
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology